A water sampling device for municipal water supply pipeline

Abstract

The utility model discloses a water sampling device for a municipal water supply pipeline, comprising a pipeline, an observation structure is arranged at one end of the pipeline, a three-way valve is installed on the pipeline, a branch pipe is connected to the three-way valve, and the end of the branch pipe is connected to the pipeline, and a water sampling port is arranged on the branch pipe. The water sampling device for a municipal water supply pipeline can sample and collect biofilm and water separately at the same time through the arrangement of a water sampling port, a biofilm sampling port, and a scraping and pushing structure, and does not require staff to manually scrape the biofilm in the pipeline for sampling. While taking a water sample, the biofilm can be automatically scraped and pushed to the biofilm sampling port by hydraulic force, which is convenient for sampling. In addition, external sampling equipment will not be in direct contact with the water and biofilm in the pipeline to cause pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal water supply water body sampling, in particular to a municipal water supply pipeline water body sampling device. Background Art

[0002] In municipal water supply systems, regular sampling and monitoring of water in water supply pipes is a key environmental protection measure. This work can help ensure the stability and safety of water quality and help strengthen the monitoring and management of water quality issues.

[0003] During the water supply process, suspended microbial cells or spores in the water are carried to the inner wall of the pipe by the flow of water and attached to the inner wall of the pipe. The microorganisms attached to the inner wall of the pipe begin to grow and reproduce. These microorganisms include bacteria, algae, fungi and other microorganisms, which form complex biological structures on the inner wall of the pipe. This biofilm is also called "biological cover", which usually appears as a sticky substance, easily attached to the pipe wall, and will also fall off with the water flow.

[0004] Biofilms in water bodies of water supply pipes may have adverse effects on pipes and water supply systems, such as causing pipe corrosion, increasing water flow resistance, causing changes in water quality, and possible transmission of infectious diseases. Therefore, it is necessary to regularly sample and test biofilms in pipes, so as to facilitate the effective management and control of biofilms in pipes, including the use of appropriate cleaning and disinfection techniques to ensure water quality safety and the normal operation of the pipe system. Therefore, it is necessary to regularly sample and monitor water supply pipes, so it is necessary to use water sampling devices for water supply pipes.

[0005] In view of the above problems, it is urgent to carry out innovative design based on the original sampling device. Utility Model Content

[0006] The technical solution of the utility model aims at the technical problem that the existing technical solution is too single, and provides a solution of a water body sampling device for a municipal water supply pipeline that is significantly different from the existing technology, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water body sampling device for a municipal water supply pipeline, comprising a pipeline, a first limit block and a second limit block, an observation structure is arranged at one end of the pipeline, a three-way valve is installed on the pipeline, and a branch pipe is connected to the three-way valve, and the end of the branch pipe is connected to the pipeline, a water body sampling port is arranged on the branch pipe, a biofilm sampling port is arranged on the pipeline near the three-way valve area, and a scraping and pushing structure is arranged in the pipeline.

[0008] Preferably, the observation structure, the transparent window, the shielding cover, the return spring, and the fixing ring, the transparent window is installed on the pipe, and the transparent window is covered with a shielding cover, one end of the shielding cover is connected to a return spring, and the end of the return spring is connected to a fixing ring, and the fixing ring is installed on the outer wall of the pipe.

[0009] Preferably, the water sampling port and the biofilm sampling port are configured as push-trigger type joints, the end of the branch pipe connecting the pipeline is an inclined structure, and the inclination direction of the branch pipe is toward the three-way valve.

[0010] Preferably, the first limit block and the second limit block are arranged as annular structures, and the first limit block is located in the pipeline close to the biofilm sampling port and away from the branch pipe, and the second limit block is located in the pipeline close to the branch pipe and away from the three-way valve.

[0011] Preferably, the scraping and pushing structure, movable ring and baffle are slidably connected with the movable ring in the pipeline, and the baffle is rotatably connected with the side of the movable ring away from the three-way valve, and the baffle is used to block the middle opening of the movable ring.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the water sampling device for the municipal water supply pipeline, through the setting of the observation structure, is different from the existing water supply pipeline with a transparent window for observing the biofilm and the water condition. In this water supply pipeline, an additional shielding cover is provided on the transparent window to block the light, so as to prevent the interior of the pipeline from being exposed to a well-lit environment for a long time, thereby causing a certain impact on the reproduction and growth of the biofilm inside the pipeline.

[0013] Through the arrangement of the water sampling port, the biofilm sampling port and the scraping and pushing structure, the device can sample and collect the biofilm and the water separately at the same time, and there is no need for the staff to manually scrape the biofilm in the pipeline for sampling. While taking the water sample, the biofilm can be automatically scraped and pushed to the biofilm sampling port by hydraulic force, which is convenient for sampling. In addition, the external sampling equipment will not be in direct contact with the water and biofilm in the pipeline to cause pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model when the movable ring is away from the biofilm sampling port;

[0016] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model when the movable ring is close to the biofilm sampling port.

[0017] In the figure: 1. pipeline; 2. observation structure; 201. transparent window; 202. shielding cover; 203. reset spring; 204. fixing ring; 3. three-way valve; 4. branch pipe; 5. water sampling port; 6. biofilm sampling port; 7. first limit block; 8. second limit block; 9. scraping and pushing structure; 901. movable ring; 902. shielding plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a water body sampling device for a municipal water supply pipeline, comprising a pipeline 1, a first limit block 7 and a second limit block 8, an observation structure 2 is arranged at one end of the pipeline 1, a three-way valve 3 is installed on the pipeline 1, and a branch pipe 4 is connected to the three-way valve 3, and the end of the branch pipe 4 is connected to the pipeline 1, a water body sampling port 5 is arranged on the branch pipe 4, a biofilm sampling port 6 is arranged on the pipeline 1 near the three-way valve 3, and a scraping and pushing structure 9 is arranged in the pipeline 1.

[0020] Observation structure 2, transparent window 201, shielding cover 202, return spring 203, fixing ring 204, transparent window 201 is installed on the pipe 1, and the shielding cover 202 is arranged on the outer cover of transparent window 201, one end side of shielding cover 202 is connected to return spring 203, and the end of return spring 203 is connected to fixing ring 204, and fixing ring 204 is installed on the outer wall of pipe 1.

[0021] The water sampling port 5 and the biofilm sampling port 6 are configured as push-trigger type connectors, the end of the branch pipe 4 connected to the pipeline 1 is an inclined structure, and the inclined direction of the branch pipe 4 is toward the three-way valve 3 .

[0022] The first limit block 7 and the second limit block 8 are set to an annular structure, and the first limit block 7 is located in the pipeline 1 close to the biofilm sampling port 6 and away from the branch pipe 4, and the second limit block 8 is located in the pipeline 1 close to the branch pipe 4 and away from the three-way valve 3.

[0023] The scraping and pushing structure 9, the movable ring 901, and the baffle plate 902 are slidably connected in the pipeline 1, and the baffle plate 902 is rotatably connected to the side of the movable ring 901 away from the three-way valve 3, and the baffle plate 902 is used to block the middle opening of the movable ring 901.

[0024] Working principle: According to Figure 1As shown, when it is necessary to observe the water condition in the pipeline, the shielding cover 202 is moved away from the fixing ring 204. Under the influence of the fixing ring 204, the return spring 203 is stretched, so that the transparent window 201 is exposed, which is convenient for the staff to watch. When the staff releases the shielding cover 202, it will be reset under the action of the return spring 203, so as to avoid the transparent window 201 being exposed to the sun for a long time.

[0025] When it is necessary to sample the water body, the three-way valve 3 is rotated to allow the water flow to enter the branch pipe 4, and the water body can be sampled through the water sampling port 5. During this process, when the water body flows back to the pipeline 1 from the branch pipe 4, it acts on the baffle plate 902, causing the baffle plate 902 to rotate and close with the movable ring 901. Under the impact of the water body, the movable ring 901 moves toward the biofilm sampling port 6. During this process, the biofilm on the inner wall of the pipeline 1 will be pushed toward it, which is convenient for subsequent biofilm sampling and extraction from the biofilm sampling port 6. This is the working principle of the water sampling device for the municipal water supply pipeline.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water sampling device for a municipal water supply pipeline, comprising a pipeline (1), a first stopper (7) and a second stopper (8), characterized in that: An observation structure (2) is provided at one end of the pipeline (1), a three-way valve (3) is installed on the pipeline (1), a branch pipe (4) is connected to the three-way valve (3), and the end of the branch pipe (4) is connected to the pipeline (1), a water sampling port (5) is provided on the branch pipe (4), a biofilm sampling port (6) is provided on the pipeline (1) near the three-way valve (3), and a scraping and pushing structure (9) is provided inside the pipeline (1).

2. A water sampling device for municipal water supply pipelines according to claim 1, characterized in that: The observation structure (2), the transparent window (201), the shielding cover (202), the return spring (203), and the fixing ring (204); the transparent window (201) is installed on the pipeline (1), and the shielding cover (202) is provided on the outer cover of the transparent window (201); the return spring (203) is connected to one end side of the shielding cover (202), and the end of the return spring (203) is connected to the fixing ring (204); and the fixing ring (204) is installed on the outer wall of the pipeline (1).

3. A water sampling device for municipal water supply pipeline according to claim 1, characterized in that: The water sampling port (5) and the biofilm sampling port (6) are configured as press-trigger type joints, the end of the branch pipe (4) connected to the pipeline (1) is an inclined structure, and the inclination direction of the branch pipe (4) is toward the three-way valve (3).

4. A water sampling device for municipal water supply pipelines according to claim 1, characterized in that: The first limit block (7) and the second limit block (8) are arranged in an annular structure, and the first limit block (7) is located in the pipeline (1) close to the biofilm sampling port (6) and away from the branch pipe (4), and the second limit block (8) is located in the pipeline (1) close to the branch pipe (4) and away from the three-way valve (3).

5. A water sampling device for municipal water supply pipeline according to claim 1, characterized in that: The scraping and pushing structure (9), the movable ring (901), and the baffle plate (902) are slidably connected to the movable ring (901) in the pipeline (1), and the baffle plate (902) is rotatably connected to the side of the movable ring (901) away from the three-way valve (3), and the baffle plate (902) is used to block the middle opening of the movable ring (901).

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